999908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 2239104

約数和(自身を除く): 1239196

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 67, 82, 91, 134, 164, 182, 268, 287, 364, 469, 533, 574, 871, 938, 1066, 1148, 1742, 1876, 2132, 2747, 3484, 3731, 5494, 6097, 7462, 10988, 12194, 14924, 19229, 24388, 35711, 38458, 71422, 76916, 142844, 249977, 499954, 999908]

約数ペア:

[(1, 999908), (2, 499954), (4, 249977), (7, 142844), (13, 76916), (14, 71422), (26, 38458), (28, 35711), (41, 24388), (52, 19229), (67, 14924), (82, 12194), (91, 10988), (134, 7462), (164, 6097), (182, 5494), (268, 3731), (287, 3484), (364, 2747), (469, 2132), (533, 1876), (574, 1742), (871, 1148), (938, 1066)]